From: Anand Jain <anand.jain@oracle.com>
To: linux-btrfs@vger.kernel.org, dsterba@suse.cz, gene@czarc.net
Subject: [PATCH 12/12] Btrfs-progs: Fix a small memory leak in managing the btrfs list filter
Date: Wed, 30 Jan 2013 17:56:28 +0800 [thread overview]
Message-ID: <1359539788-10667-13-git-send-email-anand.jain@oracle.com> (raw)
In-Reply-To: <1359539788-10667-1-git-send-email-anand.jain@oracle.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
cmds-subvolume.c | 57 +++++++++++++++++++++++++++++++++++++++-----------------
1 file changed, 40 insertions(+), 17 deletions(-)
diff --git a/cmds-subvolume.c b/cmds-subvolume.c
index 9f1d2a4..5e51a26 100644
--- a/cmds-subvolume.c
+++ b/cmds-subvolume.c
@@ -303,9 +303,9 @@ static int cmd_subvol_list(int argc, char **argv)
struct btrfs_list_filter_set *filter_set;
struct btrfs_list_comparer_set *comparer_set;
u64 flags = 0;
- int fd;
+ int fd = -1;
u64 top_id;
- int ret;
+ int ret = -1, uerr = 0;
int c;
char *subvol;
int is_tab_result = 0;
@@ -356,8 +356,10 @@ static int cmd_subvol_list(int argc, char **argv)
ret = btrfs_list_parse_filter_string(optarg,
&filter_set,
BTRFS_LIST_FILTER_GEN);
- if (ret)
- usage(cmd_subvol_list_usage);
+ if (ret) {
+ uerr = 1;
+ goto out;
+ }
break;
case 'c':
@@ -365,18 +367,23 @@ static int cmd_subvol_list(int argc, char **argv)
ret = btrfs_list_parse_filter_string(optarg,
&filter_set,
BTRFS_LIST_FILTER_CGEN);
- if (ret)
- usage(cmd_subvol_list_usage);
+ if (ret) {
+ uerr = 1;
+ goto out;
+ }
break;
case 'S':
ret = btrfs_list_parse_sort_string(optarg,
&comparer_set);
- if (ret)
- usage(cmd_subvol_list_usage);
+ if (ret) {
+ uerr = 1;
+ goto out;
+ }
break;
default:
- usage(cmd_subvol_list_usage);
+ uerr = 1;
+ goto out;
}
}
@@ -384,25 +391,29 @@ static int cmd_subvol_list(int argc, char **argv)
btrfs_list_setup_filter(&filter_set, BTRFS_LIST_FILTER_FLAGS,
flags);
- if (check_argc_exact(argc - optind, 1))
- usage(cmd_subvol_list_usage);
+ if (check_argc_exact(argc - optind, 1)) {
+ uerr = 1;
+ goto out;
+ }
subvol = argv[optind];
ret = test_issubvolume(subvol);
if (ret < 0) {
fprintf(stderr, "ERROR: error accessing '%s'\n", subvol);
- return 12;
+ goto out;
}
if (!ret) {
fprintf(stderr, "ERROR: '%s' is not a subvolume\n", subvol);
- return 13;
+ ret = -1;
+ goto out;
}
fd = open_file_or_dir(subvol);
if (fd < 0) {
+ ret = -1;
fprintf(stderr, "ERROR: can't access '%s'\n", subvol);
- return 12;
+ goto out;
}
top_id = btrfs_list_get_path_rootid(fd);
@@ -423,9 +434,16 @@ static int cmd_subvol_list(int argc, char **argv)
else
ret = btrfs_list_subvols_print(fd, filter_set, comparer_set,
BTRFS_LIST_LAYOUT_DEFAULT, NULL);
- if (ret)
- return 19;
- return 0;
+
+out:
+ if (filter_set)
+ btrfs_list_free_filter_set(filter_set);
+ if (comparer_set)
+ btrfs_list_free_comparer_set(comparer_set);
+ if (uerr)
+ usage(cmd_subvol_list_usage);
+
+ return ret;
}
static const char * const cmd_snapshot_usage[] = {
@@ -636,6 +654,9 @@ static int cmd_subvol_get_default(int argc, char **argv)
ret = btrfs_list_subvols_print(fd, filter_set, NULL,
BTRFS_LIST_LAYOUT_DEFAULT, NULL);
+
+ if (filter_set)
+ btrfs_list_free_filter_set(filter_set);
if (ret)
return 19;
return 0;
@@ -855,6 +876,8 @@ static int cmd_subvol_show(int argc, char **argv)
free(get_ri.name);
if (get_ri.full_path)
free(get_ri.full_path);
+ if (filter_set)
+ btrfs_list_free_filter_set(filter_set);
out:
if (mntfd >= 0)
--
1.8.1.227.g44fe835
next prev parent reply other threads:[~2013-01-30 9:58 UTC|newest]
Thread overview: 131+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-25 9:19 [PATCH 00/10 V2] add show sub-command for btrfs subvol cli Anand Jain
2013-01-23 8:12 ` [PATCH 00/10] " Anand Jain
2013-01-23 8:12 ` [PATCH 01/10] Btrfs-progs: move open_file_or_dir() to utils.c Anand Jain
2013-01-24 4:39 ` Eric Sandeen
2013-01-24 9:23 ` Stefan Behrens
2013-01-24 17:57 ` Goffredo Baroncelli
2013-01-24 19:42 ` Eric Sandeen
2013-01-24 22:09 ` Goffredo Baroncelli
2013-01-24 22:36 ` Chris Mason
2013-01-24 22:49 ` David Sterba
2013-01-24 22:52 ` Avi Miller
2013-01-25 16:14 ` Eric Sandeen
2013-01-25 16:48 ` Hugo Mills
2013-01-25 18:47 ` Gene Czarcinski
2013-01-28 3:12 ` Anand Jain
2013-01-25 15:19 ` Eric Sandeen
2013-01-25 9:21 ` Anand Jain
2013-01-23 8:12 ` [PATCH 02/10] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-01-23 8:12 ` [PATCH 03/10] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-01-23 8:12 ` [PATCH 04/10] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-01-23 8:12 ` [PATCH 05/10] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-01-24 4:49 ` Eric Sandeen
2013-01-25 9:20 ` Anand Jain
2013-01-23 8:12 ` [PATCH 06/10] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-01-23 8:12 ` [PATCH 07/10] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-01-23 8:12 ` [PATCH 08/10] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-01-23 8:12 ` [PATCH 09/10] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-01-23 8:12 ` [PATCH 10/10] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-01-24 5:06 ` Eric Sandeen
2013-01-24 19:42 ` Zach Brown
2013-01-24 23:14 ` Chris Mason
2013-01-24 23:24 ` Zach Brown
2013-01-25 9:24 ` Anand Jain
2013-01-23 21:57 ` [PATCH 00/10] add show sub-command for btrfs " Gene Czarcinski
2013-01-24 4:11 ` Anand Jain
2013-01-24 20:52 ` Gene Czarcinski
2013-01-25 9:23 ` Anand Jain
2013-01-25 9:19 ` [PATCH 01/10] Btrfs-progs: move open_file_or_dir() to utils.c Anand Jain
2013-01-25 9:19 ` [PATCH 02/10] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-01-25 9:19 ` [PATCH 03/10] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-01-25 9:19 ` [PATCH 04/10] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-01-25 9:19 ` [PATCH 05/10] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-01-25 9:19 ` [PATCH 06/10] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-01-25 9:19 ` [PATCH 07/10] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-01-25 9:19 ` [PATCH 08/10] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-01-25 9:19 ` [PATCH 09/10] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-01-25 9:19 ` [PATCH 10/10] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-01-25 9:30 ` [RESEND] [PATCH 00/10 V2] add show sub-command for btrfs " Anand Jain
2013-01-25 9:30 ` [PATCH 01/10] Btrfs-progs: move open_file_or_dir() to utils.c Anand Jain
2013-01-25 9:30 ` [PATCH 02/10] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-01-25 9:30 ` [PATCH 03/10] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-01-25 9:30 ` [PATCH 04/10] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-01-25 9:30 ` [PATCH 05/10] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-01-25 9:30 ` [PATCH 06/10] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-01-25 9:30 ` [PATCH 07/10] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-01-25 9:30 ` [PATCH 08/10] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-01-25 9:30 ` [PATCH 09/10] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-01-25 9:30 ` [PATCH 10/10] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-01-25 10:07 ` Stefan Behrens
2013-01-28 5:26 ` Anand Jain
2013-01-28 4:10 ` [PATCH 00/10 v3] add show sub-command for btrfs " Anand Jain
2013-01-28 4:10 ` [PATCH 01/10] Btrfs-progs: move open_file_or_dir() to utils.c Anand Jain
2013-01-28 4:10 ` [PATCH 02/10] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-01-28 4:10 ` [PATCH 03/10] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-01-28 4:10 ` [PATCH 04/10] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-01-28 4:10 ` [PATCH 05/10] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-01-28 4:10 ` [PATCH 06/10] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-01-28 4:10 ` [PATCH 07/10] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-01-28 4:10 ` [PATCH 08/10] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-01-28 4:10 ` [PATCH 09/10] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-01-28 4:10 ` [PATCH 10/10] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-01-28 5:29 ` [PATCH 00/10 v3] add show sub-command for btrfs " Anand Jain
2013-01-28 5:22 ` [RESEND] " Anand Jain
2013-01-28 5:22 ` [PATCH 01/10] Btrfs-progs: move open_file_or_dir() to utils.c Anand Jain
2013-01-28 18:08 ` David Sterba
2013-01-28 5:22 ` [PATCH 02/10] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-01-28 5:22 ` [PATCH 03/10] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-01-28 5:22 ` [PATCH 04/10] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-01-28 5:22 ` [PATCH 05/10] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-01-29 4:42 ` Wang Shilong
2013-01-28 18:04 ` David Sterba
2013-01-29 6:59 ` Anand Jain
2013-01-28 5:22 ` [PATCH 06/10] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-01-28 5:22 ` [PATCH 07/10] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-01-28 5:22 ` [PATCH 08/10] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-01-28 5:22 ` [PATCH 09/10] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-01-28 5:22 ` [PATCH 10/10] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-01-29 6:48 ` [PATCH 00/12 v4] add show sub-command for btrfs " Anand Jain
2013-01-29 6:48 ` [PATCH 01/12] Btrfs-progs: move open_file_or_dir() to utils.c Anand Jain
2013-01-29 6:48 ` [PATCH 02/12] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-01-30 3:27 ` Wang Shilong
2013-01-30 9:57 ` Anand Jain
2013-01-29 6:48 ` [PATCH 03/12] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-01-29 6:48 ` [PATCH 04/12] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-01-29 6:48 ` [PATCH 05/12] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-01-29 6:48 ` [PATCH 06/12] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-01-29 6:48 ` [PATCH 07/12] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-01-29 6:48 ` [PATCH 08/12] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-01-29 6:48 ` [PATCH 09/12] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-01-29 6:48 ` [PATCH 10/12] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-01-30 10:32 ` Wang Shilong
2013-01-31 3:13 ` Anand Jain
2013-01-29 6:49 ` [PATCH 11/12] Btrfs-progs: filter the deleted subvolumes when listing snapshots Anand Jain
2013-01-29 6:49 ` [PATCH 12/12] Btrfs-progs: update btrfs_get_subvol to be inline with resolve_root ret changes Anand Jain
2013-01-30 9:56 ` [PATCH 00/12 v5] Btrfs-progs: add show sub-command for btrfs subvol cli Anand Jain
2013-01-30 9:56 ` [PATCH 01/12] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-01-30 9:56 ` [PATCH 02/12] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-01-30 9:56 ` [PATCH 03/12] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-01-30 9:56 ` [PATCH 04/12] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-01-30 9:56 ` [PATCH 05/12] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-01-30 9:56 ` [PATCH 06/12] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-01-30 9:56 ` [PATCH 07/12] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-01-30 9:56 ` [PATCH 08/12] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-01-30 9:56 ` [PATCH 09/12] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-01-30 9:56 ` [PATCH 10/12] Btrfs-progs: filter the deleted subvolumes when listing snapshots Anand Jain
2013-01-30 9:56 ` [PATCH 11/12] Btrfs-progs: update btrfs_get_subvol to be inline with resolve_root ret changes Anand Jain
2013-01-30 9:56 ` Anand Jain [this message]
2013-02-01 7:56 ` [PATCH 00/13 v6] Btrfs-progs: add show sub-command for btrfs subvol cli Anand Jain
2013-02-01 7:56 ` [PATCH 01/13] Btrfs-progs: move printing subvol list outside of btrfs_list_subvols Anand Jain
2013-02-01 7:56 ` [PATCH 02/13] Btrfs-progs: add parent uuid for snapshots Anand Jain
2013-02-01 7:56 ` [PATCH 03/13] Btrfs-progs: move struct root_info to btrfs-list.h Anand Jain
2013-02-01 7:56 ` [PATCH 04/13] Btrfs-progs: add function btrfs_get_subvol to get root_info of a subvol Anand Jain
2013-02-01 7:56 ` [PATCH 05/13] Btrfs-progs: add method to filter snapshots by parent uuid Anand Jain
2013-02-01 7:56 ` [PATCH 06/13] Btrfs-progs: put find_mount_root() in commands.h Anand Jain
2013-02-01 7:56 ` [PATCH 07/13] Btrfs-progs: make printing subvol extensible to newer layouts Anand Jain
2013-02-01 7:56 ` [PATCH 08/13] Btrfs-progs: make get_subvol_name non cmds-send specific Anand Jain
2013-02-01 7:56 ` [PATCH 09/13] Btrfs-progs: add show subcommand to subvol cli Anand Jain
2013-02-01 7:56 ` [PATCH 10/13] Btrfs-progs: filter the deleted subvolumes when listing snapshots Anand Jain
2013-02-01 7:56 ` [PATCH 11/13] Btrfs-progs: update btrfs_get_subvol to be inline with resolve_root ret changes Anand Jain
2013-02-01 7:56 ` [PATCH 12/13] Btrfs-progs: Fix a small memory leak in managing the btrfs list filter Anand Jain
2013-02-01 7:56 ` [PATCH 13/13] Btrfs-progs: add subvol flags to print Anand Jain
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